https://archive.org/web/
did your friend said your other friend is a ass twat but he deleted his facebook post and now you don't got any proof tho show this other friend and he can't believe that guy is a bad friend?
did FBI took down a blog about facts about fbi that they don't want you to know about?
do you got a new girfriend and she cleaned her website about her affiliation to a terrorist\nazi clan, so she wouldn't show her true-self until it was too late for you?
with wayback machine now you can retrieve old data! simply get on wayback machine, go back in time and get the data you thought it was lost forever!
https://web.archive.org/web/20150316223138/http://www.r4isdhc.com/r4-download/
after you download the files. make a backup on your computer or another place, if you loose the files and you will them again, there is no warranty you can still find them on the internet... of course there are always people who make mirrors and post elsewhere but even thoose mirrors can end...
so, if you don't want to end up with a useless plastic card, keep thoose files safe...
your sd card can get corrupted and you may need to restore the files...